Fixed search tool

app.py

@@ -1,4 +1,4 @@
-from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
+from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
 import datetime
 import requests
 import pytz
@@ -8,17 +8,18 @@ from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
+_search_tool = DuckDuckGoSearchTool()
+
 @tool
-def my_search_tool(search_query:str)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that does nothing yet 
+def my_search_tool(search_query: str) -> str:
+    """Search the web for information using DuckDuckGo.
     Args:
-        search_query: a string representing the search query user wants to search for
+        search_query: a string representing the search query to look up
     """
     try:
         if not search_query or not search_query.strip():
-            search_query = "Search for the latest popular arxiv papers in the field of reinforcement learning"
-        result = DuckDuckGoSearchTool().run(search_query=search_query)
+            search_query = "latest popular arxiv papers in reinforcement learning"
+        result = _search_tool.run(search_query=search_query)
     except Exception as e:
         result = f"An error occurred while performing the search, error: {e}."
         print(f"Error occurred: {e}")